title: Short and long-term variation of plasma glycine betaine concentrations in humans.
mesh_terms: D000293:Adolescent; D000328:Adult; D001622:Betaine / Q000097:blood*; D004231:Diuresis / Q000502:physiology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D009997:Osmotic Pressure; D013997:Time Factors
chemical_list: D001622:Betaine